Welcome to Maduka Metals, your trusted partner for advanced materials right here in the heart of Abuja. We take pride in supplying industry-leading solutions, and our Nitinol Superelastic Bar is a perfect example of this commitment. This remarkable alloy represents a significant leap in material science, offering a unique combination of strength and flexibility that is simply not possible with traditional metals, opening up new possibilities for innovation and durability in demanding applications.
This specific bar is crafted from a nearly equal blend of nickel and titanium, which gives it its signature superelastic characteristic. What this means in practical terms is that the material can undergo significant bending or deformation and then, quite remarkably, return completely to its original shape once the pressure is released. This ability to absorb strain without permanent damage makes it exceptionally tough and reliable under cyclic stresses.
| Standards : | ASTM F2063, ASME SF2063 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Grade | Ni | N+O | Fe | Co | C | Nb | Cr | Cu | H | Ti |
| Nitinol | 54.5 – 57.0 | 0.050 | 0.050 | 0.050 | 0.050 | 0.025 | 0.010 | 0.010 | 0.005 | Bal |
| Element | Density | Melting Point | Elongation |
| Nickel-titanium Alloy | 6.45 g/cm3 – 0.234 lb/in3 | Around 1310 °C. | 10 % |
| STANDARD | UNS |
| NiTi Alloys | N01555 |
Nitinol superelastic bars are used in aerospace, medical devices, robotics, automotive, and electronics industries. They provide flexibility, durability, and corrosion resistance, making them ideal for high-performance, precision applications.
Yes, Nitinol superelastic bars can be welded, but it requires specialized techniques due to their unique properties. Proper heat control is essential to prevent loss of superelasticity and material integrity.
Yes, Nitinol superelastic bars and rods are highly customizable. They can be tailored in terms of size, shape, alloy composition, and specific superelastic properties to meet unique application requirements.
The applications for this superelastic bar are both diverse and impressive. In the medical field, it’s indispensable for manufacturing guidewires, stents, and orthodontic archwires that need to navigate the body safely. For engineers, it’s a go-to material for creating robust shock absorbers, flexible couplings, and actuators in aerospace and robotics. Even everyday items like high-performance eyeglass frames and underwire for bras benefit from its unique combination of comfort and resilience.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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